2504559389 has 2 divisors, whose sum is σ = 2504559390. Its totient is φ = 2504559388.

The previous prime is 2504559377. The next prime is 2504559427. The reversal of 2504559389 is 9839554052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2409828100 + 94731289 = 49090^2 + 9733^2 .

It is a cyclic number.

It is not a de Polignac number, because 2504559389 - 2⁴ = 2504559373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2504559349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252279694 + 1252279695.

It is an arithmetic number, because the mean of its divisors is an integer number (1252279695).

Almost surely, 2^2504559389 is an apocalyptic number.

It is an amenable number.

2504559389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504559389 is an equidigital number, since it uses as much as digits as its factorization.

2504559389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The square root of 2504559389 is about 50045.5731209065. The cubic root of 2504559389 is about 1358.0333796164.

The spelling of 2504559389 in words is "two billion, five hundred four million, five hundred fifty-nine thousand, three hundred eighty-nine".